Hair analysis for nicotine and cotinine: evaluation of extraction procedures, hair treatments, and development of reference material
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2022, Science and JusticeUsing nicotine in scalp hair to assess maternal passive exposure to tobacco smoke
2017, Environmental PollutionA simultaneous analysis method of polycyclic aromatic hydrocarbons, nicotine, cotinine and metals in human hair
2016, Environmental PollutionCitation Excerpt :In epidemiological studies, we usually cannot analyze all of the mentioned pollutants simultaneously because of the quantity limitation of hair samples, especially when researchers only focus on specific sections of hairs. For example, sodium hydroxide (NaOH) was used to digest hair sample to determine the contents of PAHs, nicotine and cotinine in human hair samples (Pichini et al., 1997b; Toriba et al., 2003), while nitric acid (HNO3) or a mixture of HNO3 and hydrogen peroxide (H2O2) was used to digest hair sample in a microwave system for dissolving metals (Zaitseva et al., 2015). PAHs, as non- or weak polar compounds, were usually extracted by non-polar solvents like n-hexane (HEX) or cyclohexane (Brzeznicki et al., 1997; Toriba et al., 2003).
Reference values of elements in human hair: A systematic review
2013, Environmental Toxicology and PharmacologyPersistent organochlorine contaminants in hair samples of Northern Poland population, 1968-2009
2012, ChemosphereCitation Excerpt :Another aspect of hair analysis is the influence of several hair treatment processes on the analyte’s level. Washing, drying, dying or even bleaching could affect stability of chemicals in hair structure (Pichini et al., 1997b; Pragst and Balikova, 2006). There are only some reports on the influence of hair treatment procedures on drug content.